Glucocorticoid Administration After Traumatic Birth

Inclusion Criteria (for observation and hydrocortisone treatment groups): * Screening positive for PTSD Diagnostic and Statistical Manual of Mental Disorders-5 Criteria A (felt a threat to life or injury to self or neonate) * Postpartum hemorrhage or emergency cesarean delivery * Owner of a smart phone or email account Exclusion Criteria (for observation and hydrocortisone treatment groups): * Active uncontrolled psychological disturbances identified by current psychiatric admission * Psychiatric consult during admission, or need for hospital appointed sitter during admission * Non-English speakers requiring a translator * Current corticosteroid use or corticosteroid use during the study period (including betamethasone for promoting fetal lung maturity) * Cognitive impairment identified by medical chart review or patients requiring a legal guardian for medical decision making Exclusion Criteria: (additional criteria for participants that will receive hydrocortisone) * Self-reported hypersensitivity to hydrocortisone * Inability to consent patient and administer study drug within 12 hours of a traumatic event * Weight \< 45 kilograms (kg) or \>120kg * Subjects with systemic active infections (e.g. viral, bacterial, fungal, protozoan, or helminthic) * Subjects with uncontrolled hypertension, renal insufficiency, or decompensated congestive heart failure * Subjects with inflammatory bowel disease * Subjects with active or latent peptic ulcers